Panasonic TX-21AT1P Service Manual Download | Manualshive

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CONTROL BLOCK DI

AGRAM

CRT

5

Y

2

Y-BOARD

IC351

7

8

9

D

350

IC

60

1

1

STAN

D

B

Y

UOC

RE

M

I

N

64

Q110

2

X

601

2

SC

L

3

SD

A

6

KEY

S

C

A

N

8

SL

O

W

S

W

11

MU

TE2

27

AG

C

XT

A

L

59

XT

A

L

58

IBL

50

BC

L

49

FBL

45

PR

O

T

36

D

1107

Q110

7

D

1

104

+5

V

ST

A

N

DB

Y

A

V

21 PIN SCA

R

T

16

FAST SW

8

SLOW SW

S

W

IT

CHING

MA

T

R

IX

Q110

9

D

1106

Q111

0

Q120

4

Q120

1

R

L

801

TUNER

SDA

SCL

IC

11

03

EARO

M

5

SD

A

IC1104

REMO

T

E

IN

T

55

2

IC

25

1

AUDIO

OUT

P

UT

3

MU

T

E

6

SC

L

3

FBT

Q255

Q253

5

E8

E-BOARD

2

E1

3

4

Q603

Q401

Q402

Q-LI

NK

OU

T

63

Q-LI

NK

IN

62

Q110

6

Q110

3

Q110

4

Q110

5

10

Q-LINK

AGC

5

9

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Summary of Contents for TX-21AT1P

Page 1: ...eo 38 9MHz Audio 32 4MHz 33 4MHz Colour 34 47MHz PAL 34 5MHz SECAM 34 65MHz SECAM Terminals AV1 IN Video 21 pin 1V p p 75Ω Audio 21 pin 500mV rms 10kΩ RGB 21 pin 0 7V p p 75Ω AV1 OUT Video 21 pin 1V p p 75Ω Audio 21 pin 500mV rms 1kΩ AV FRONT Audio RCAx1 500mV rms 10kΩ Video RCAx1 1V p p 75Ω High Voltage 27kV 1kV Picture Tube A51ERF135X71 51cm Audio Output 1 x 5W RMS 1 x 10W MPO 8Ω Impedance Headp...

Page 2: ...t on the receiver such as screw heads aerials connectors control shafts etc When the exposed metallic part has a return path to the chassis the reading should be between 4M ohm and 20M ohm When the exposed metal does not have a return path to the chassis the reading must be infinite LEAKAGE CURRENT HOT CHECK 1 Plug the a c cord directly into the a c outlet Do not use an isolation transformer for t...

Page 3: ...SERVICE HINTS How to remove the rear cover 1 Remove the 5 screws as shown in Fig 2 LOCATION OF CONTROLS Screws Screws Fig 2 3 Fig 3 Y Board E Board Focus Screen ...

Page 4: ...time press the down v button on the customer controls at the front of the TV set To exit Self Check switch off the TV set at the power button OPTION 1 E0 OPTION 2 02 If the CCU ports have been checked and found to be incorrect or not located then will appear in place of O K Service Aids To aid in the service of our current chassis there are a number of Service Aids which have been made available L...

Page 5: ...WAVEFORM PATTERN TABLE CONDITIONS Contrast MAX Brightness MID Colour MID Sharpness MID 5 ...

Page 6: ...mum setting 8 R Cut R CUT 008 Optimum setting 9 G Cut G CUT 008 Optimum setting 10 R Drive R DRV 039 Optimum setting 11 G Drive G DRV 031 Optimum setting 12 B Drive B DRV 031 Optimum setting 13 AGC AGC 028 Optimum setting 14 Sub Colour S COL 015 Optimum setting 15 Sub Brightness S BRI 026 Optimum setting 16 Horizontal Width EW WD 049 Optimum setting 17 EW Parabola EW PR 009 Optimum setting 18 EW U...

Page 7: ...Q3104 1 AUDIO OUT 2 AUDIO IN 6 AUDIO IN 7 B IN 19 VIDEO OUT 11 G IN 15 R IN 20 VIDEO IN 3 AUDIO OUT AV 21 PIN SCART Q602 Q601 3 AUDIO OUT 8 5 AUDIO IN IC251 AUDIO OUTPUT IC 1 E7 V A IF2 IF1 51 R OUT 52 G OUT 53 B OUT VIDEO EXT 42 VIDEO IN 40 VIDEO OUT 38 B IN 48 G IN 47 R IN 46 28 AUDIO OUT QSS OUT 35 24 IF2 JK3101 X102 23 IF1 IC601 UOC TUNER 7 HEADPH ...

Page 8: ...SCO 34 PROT 36 IBL 50 BCL 49 39 VP 14 VCC 20 AVL EW 54 VDDA 56 VDDC 61 VDDP IC601 UOC 2 5 3 7 1 VERTICAL OUTPUT IC451 Q752 Q751 Q702 Q701 IC251 9 AUDIO OUTPUT Q852 D852 Q851 D853 F852 F853 1 2 IC702 6 IC701 5 S1 S4 S5 S3 P1 B2 T802 P2 B1 S2 D805 D806 D811 D813 D804 D812 2 1 IC802 R804 1 4 5 3 IC801 POWER SUPPLY IC601 PIN 1 POWER ON OFF R1205 Q1204 5V STANDBY R1202 1 3 IC1201 1 IC1202 3 8 IC1103 EA...

Page 9: ...58 IBL 50 BCL 49 FBL 45 PROT 36 D1107 Q1107 D1104 5V STANDBY AV 21 PIN SCART 16 FAST SW 8 SLOW SW SWITCHING MATRIX Q1109 D1106 Q1110 Q1204 Q1201 RL801 TUNER SDA SCL IC1103 EAROM 5 SDA IC1104 REMOTE IN T552 IC251 AUDIO OUTPUT 3 MUTE 6 SCL 3 FBT Q255 Q253 5 E8 E BOARD 2 E1 3 4 Q603 Q401 Q402 Q LINK OUT 63 Q LINK IN 62 Q1106 Q1103 Q1104 Q1105 10 Q LINK AGC 5 9 ...

Page 10: ...PARTS LOCATION NOTE The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List 16 20 3 7 5 13 6 19 18 11 17 15 1 14 4 2 10 8 12 9 10 ...

Page 11: ...7 6 0 6 1 286 20321 176 77 5 5 5 3 78 7 3 602 3 1 7 3 63 5 1 1 6 7 70 58 5 3 700 5721 73 27720 86 21 73 723 86 21 73 68 86 21 73 3 63 5 1 700 2 5 32 70 16758 7 21 22 6 8 5 1 520 1 1 74 01 32 6 81 5 1 74 34 1 6 74 58 6 29 1 74 V 8 2 287387 7 5 287387 7 4 9 57 287387 0 52 352 6625 7 9 0 255 7 21 7 9 5 8 725 1 32 5 6833 675 5525 6 1 9 5 8 725 1 0 5 8 725 7 520 3 3 73 5 9 5 530 9 5 8 725 7 5 8 725 7 8...

Page 12: ...25 4 75 16 6725 4 75 16 6725 4 75 16 6725 4 75 16 6725 4 75 16 6725 4 6 7 75 16 250 56 75 16 250 5 7 7 75 16 250 5 7 73 1 8 75 16 250 5 7 76 2 6 2 7 9 9 2 2 2 7 9 9 2 7 9 9 2 5 9 2 2 2 6 7 2 6 7 2 5 9 2 6 7 2 6 7 2 6 7 2 7 9 9 2 7 7 5 2 7 7 5 2 6 7 2 6 7 2 7 9 9 2 5 9 7 56 5 0 7 5 9 1 7 5 1 6 75 0 5 0 7 5 7 0 0 1 5 0 7 5 6 5 0 5 67 6 5 67 766 5 6 67256 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5...

Page 13: ...6 7 5 7 5 5 21 5 5 6 7 5 7 5 6 0 5 5 5 9 5 21 5 5 6 7 7 0 7 5 5 6 6 0 7 5 5 1 3 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 5 21 5 5 6 7 7 5 21 5 5 6 7 7 5 21 5 5 6 7 7 0 7 5 54 3 5 6 86 5 54 3 6 86 5 54 6 0 5 5 5 9 6 0 5 5 5 1 9 6 0 5 5 5 1 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 ...

Page 14: ...6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 5 21 5 5 6 7 7 6 0 5 5 5 9 6 0 5 5 5 9 5 21 5 5 6 7 7 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 5 21 5 5 6 7 7 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 5 21 5 5 6 7 7 6 0 5 5 5 9 6 0 5 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 0 5 5 5 9 6 ...

Page 15: ... 7 0 9 6 0 3 9 9 Q 7 9 0 4 9 Q 0 4 9 Q 0 43 9 Q 0 43 9 Q 7 0 9 0 9 Q 6 0 3 9 9 Q 6 0 3 9 9 Q 7 0 9 5 0 5 9 S 5 0 1 0 9 Q 5 0 1 0 9 Q 0 48 0 9 Q 5 0 38 9 Q 5 0 38 9 Q 5 0 38 9 Q 7 26 9 7 9 5 0 5 9 S 5 0 5 3 9 Q 5 0 1 N9 S 5 0 3 N9 Q 7 9 5 0 38 9 Q 0 4 9 Q 7 0 9 5 0 5 9 S 6 0 3 9 9 Q 7 90 9 7 0 9 6 0 3 9 9 Q 7 9 7 9 9 S 6 0 3 9 9 Q 6 0 3 89 9 S 7 60 9 07 9 6 0 3 9 9 Q 6 0 3 89 9 S 6 0 3 89 9 S 7 0 9...

Page 16: ...16 NOTES ...

Page 17: ... and are subject to change without notice REMARKS a Do not touch the hot part or the hot and cold parts at the same time as you are liable to a shock hazard b Do not short circuit the hot and cold circuits as electrical components may be damaged c Do not connect an instrument such as an oscilloscope to the hot and cold circuits simultaneously as this may cause fuse failure Connect the earth of the...

Page 18: ...18 ...

Page 19: ...19 ...

Page 20: ... IC851 B4 Q851 E5 D705 B5 IC852 C4 Q852 E6 D706 B5 IC1103 D3 Q1102 F5 D751 C6 IC1104 F7 Q1103 B3 D752 C7 IC1201 F5 Q1104 B3 D753 C6 IC1202 F5 Q1105 B3 D754 C6 Q1106 B3 D755 C6 Q1107 F7 D801 E7 T P S Q1109 F6 D802 E7 TP1 F5 Q1110 F6 D803 D7 TP2 A7 Q1201 E6 D804 D6 TP3 A6 Q1204 F6 D805 D6 TP4 B6 Q3101 D1 D806 E6 TP5 D1 Q3102 D1 D807 D6 TP6 A6 Q3104 A3 D808 D7 TP8 F5 D809 C7 TP10 E1 DIODES D810 D6 TP...

Page 21: ...Y BOARD TNP8EY015 TRAN S Q351 B1 DIODES D350 A1 D351 B1 D352 A2 D353 A3 D370 B1 D371 B1 D372 B1 I C S IC351 A1 T P S TPY4 B2 TPY5 A3 A B 1 2 3 21 ...

Page 22: ...22 NOTES ...

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